Select Your Ride

1
2
3

Fittings and Plugs

Fittings and Plugs

Fittings and Plugs

Circle Track AN/NPT Fittings & Plugs at JJ Motorsports

Achieve precision and reliability with fittings and plugs designed for high-pressure applications from JJ Motorsports. These components are essential for creating secure, leak-free connections in fuel, oil, and fluid lines, keeping your circle track car in peak condition. Integrate them with other specialized high-performance components to elevate your setup.

Shop trusted brands like Fragola for push-lock fittings, Aeroquip for bulkhead options, JJ Motorsports for custom kits, and Allstar Performance for versatile solutions. Explore related categories such as Hose Ends for secure connections or Cap and Plug Fittings for sealing needs.

Top Circle Track AN/NPT Fittings & Plugs

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • #10 To #10 An Port Adapt  EAR985010ERL

    Earls #10 To #10 An Port Adapt 985010ERL

    EARLS

    $25.85
    When you're running high-flow fuel, coolant, or oil systems, port misalignment can cost you performance and reliability. The Earls #10 To #10 AN Port Adapter eliminates the guesswork by providing a straightforward, precision-engineered connection between...
    EAR985010ERL
    SKU:
    EAR985010ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    985010ERL
    $25.85
    Qty in Cart: 0
    Quantity:
    Price:
    $25.85
    Subtotal:
  • #8 To #8 An Port Adapter  EAR985008ERL

    Earls #8 To #8 An Port Adapter 985008ERL

    EARLS

    $20.09
    When building a high-performance fuel, oil, or coolant system, you need fittings that deliver leak-free connections without compromise. This Earls adapter bridges two 8 AN ports with precision-engineered simplicity, eliminating the need for custom...
    EAR985008ERL
    SKU:
    EAR985008ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    985008ERL
    $20.09
    Qty in Cart: 0
    Quantity:
    Price:
    $20.09
    Subtotal:
  • #6 To #6 An Port Adapter  EAR985006ERL

    Earls #6 To #6 An Port Adapter 985006ERL

    EARLS

    $15.79
    When you're routing high-pressure fuel, coolant, or oil through your performance build, every connection point matters. This Earls adapter gives you a reliable, leak-free junction between two #6 AN ports, eliminating the need for custom fabrication or...
    EAR985006ERL
    SKU:
    EAR985006ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    985006ERL
    $15.79
    Qty in Cart: 0
    Quantity:
    Price:
    $15.79
    Subtotal:
  • 90 Deg 5/8 Id Hose > 1/2  EAR984210ERL

    Earls 90 Deg 5/8 Id Hose > 1/2 984210ERL

    EARLS

    $40.20
    Fluid routing in high-performance systems demands precision fittings that won't leak under pressure or vibration. This Earls 90-degree adapter bridges hose and port connections with reliable aluminum construction, eliminating the need for multiple...
    EAR984210ERL
    SKU:
    EAR984210ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    984210ERL
    $40.20
    Qty in Cart: 0
    Quantity:
    Price:
    $40.20
    Subtotal:
  • St. 1/4 Id Hose > 1/8 Np  EAR984004ERL

    Earls St. 1/4 Id Hose > 1/8 Np 984004ERL

    EARLS

    $10.00
    Fluid routing in high-performance applications demands reliable, leak-free connections—and this Earls adapter delivers exactly that. Whether you're plumbing a custom cooling system, fuel line setup, or pneumatic circuit, the 1/4" hose barb to 1/8" NPT...
    EAR984004ERL
    SKU:
    EAR984004ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MFG Part #:
    984004ERL
    $10.00
    Qty in Cart: 0
    Quantity:
    Price:
    $10.00
    Subtotal:
  • #10 90 Deg. Bulkhead  EAR983310ERL

    Earls #10 90 Deg. Bulkhead 983310ERL

    EARLS

    $21.76
    The Earls #10 90 Deg. Bulkhead is an essential fluid routing component for any high-performance cooling or fuel system that requires a compact, reliable connection through a panel or bulkhead. This 90-degree configuration eliminates the need for multiple...
    EAR983310ERL
    SKU:
    EAR983310ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    983310ERL
    $21.76
    Qty in Cart: 0
    Quantity:
    Price:
    $21.76
    Subtotal:
  • #8 St. Bulkhead  EAR983208ERL

    Earls #8 St. Bulkhead 983208ERL

    EARLS

    $14.35
    When routing high-pressure fuel or fluid lines through bulkheads, you need a fitting that won't compromise flow or create leak points under demanding conditions. The Earls #8 St. Bulkhead provides a reliable, direct connection that lets you transition AN...
    EAR983208ERL
    SKU:
    EAR983208ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    983208ERL
    $14.35
    Qty in Cart: 0
    Quantity:
    Price:
    $14.35
    Subtotal:
  • #6 St. Bulkhead  EAR983206ERL

    Earls #6 St. Bulkhead 983206ERL

    EARLS

    $11.47
    The Earls #6 St. Bulkhead 983206ERL is an essential component for any fuel system requiring a secure, leak-free bulkhead connection. This aluminum fitting handles high-pressure applications with precision machining and anodized durability, making it...
    EAR983206ERL
    SKU:
    EAR983206ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    983206ERL
    $11.47
    Qty in Cart: 0
    Quantity:
    Price:
    $11.47
    Subtotal:
  • #3 St. Bulkhead  EAR983203ERL

    Earls #3 St. Bulkhead 983203ERL

    EARLS

    $12.88
    Clean, reliable fluid transfer is non-negotiable in high-performance applications. The Earls #3 St. Bulkhead provides a direct, leak-free connection point for fuel, coolant, or brake lines passing through a firewall or chassis—essential for custom builds...
    EAR983203ERL
    SKU:
    EAR983203ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    983203ERL
    $12.88
    Qty in Cart: 0
    Quantity:
    Price:
    $12.88
    Subtotal:
  • #6 T Fitting  EAR982406ERL

    Earls #6 T Fitting 982406ERL

    EARLS

    $18.68
    If you're running a complex fuel system, oil cooler setup, or custom cooling circuit, you need a reliable junction point that can handle multiple high-flow connections without leaks or pressure drops. The Earls #6 T Fitting delivers the precision fitment...
    EAR982406ERL
    SKU:
    EAR982406ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    982406ERL
    $18.68
    Qty in Cart: 0
    Quantity:
    Price:
    $18.68
    Subtotal:
  • #3 T Fitting  EAR982403ERL

    Earls #3 T Fitting 982403ERL

    EARLS

    $15.79
    When you're routing multiple cooling or fuel lines through your engine bay, you need a fitting that won't compromise flow or introduce weak points into your system. The Earls #3 T Fitting provides a clean, reliable junction point for three separate AN...
    EAR982403ERL
    SKU:
    EAR982403ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    982403ERL
    $15.79
    Qty in Cart: 0
    Quantity:
    Price:
    $15.79
    Subtotal:
  • 45 Deg. #10 > 1/2 Npt Ad  EAR982310ERL

    Earls 45 Deg. #10 > 1/2 Npt Ad 982310ERL

    EARLS

    $33.48
    When you're routing high-pressure fluid lines in a custom cooling or fuel system, having the right adapter is non-negotiable. This Earls 45-degree fitting bridges the gap between AN and NPT standards, eliminating the need for improvised solutions or...
    EAR982310ERL
    SKU:
    EAR982310ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    982310ERL
    $33.48
    Qty in Cart: 0
    Quantity:
    Price:
    $33.48
    Subtotal:
  • 45 Deg. #8 > 3/8 Npt Adp  EAR982308ERL

    Earls 45 Deg. #8 > 3/8 Npt Adp 982308ERL

    EARLS

    $20.07
    When routing high-flow fuel, oil, or coolant systems, mismatched port sizes can force you into bulky adapter chains or custom fabrication work. This Earls 45-degree adapter bridges the gap between AN and NPT fittings with precision engineering, giving...
    EAR982308ERL
    SKU:
    EAR982308ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    982308ERL
    $20.07
    Qty in Cart: 0
    Quantity:
    Price:
    $20.07
    Subtotal:
  • 45 Deg. #6 > 1/4 Npt Adp  EAR982306ERL

    Earls 45 Deg. #6 > 1/4 Npt Adp 982306ERL

    EARLS

    $17.21
    If you're building a custom fluid system or upgrading your fuel, oil, or coolant lines, you need reliable adapters that won't leak under pressure. This Earls 45-degree adapter bridges the gap between AN and NPT fittings, giving you the flexibility to...
    EAR982306ERL
    SKU:
    EAR982306ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MFG Part #:
    982306ERL
    $17.21
    Qty in Cart: 0
    Quantity:
    Price:
    $17.21
    Subtotal:
  • 45 Deg #4 > 1/8 Npt Adpt  EAR982304ERL

    Earls 45 Deg #4 > 1/8 Npt Adpt 982304ERL

    EARLS

    $19.98
    Secure, leak-free connections are non-negotiable in high-performance fuel and fluid systems. This Earls adapter bridges the gap between AN and NPT fittings, allowing you to integrate factory components or aftermarket gauges without compromises. The...
    EAR982304ERL
    SKU:
    EAR982304ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    982304ERL
    $19.98
    Qty in Cart: 0
    Quantity:
    Price:
    $19.98
    Subtotal:
  • 90 Deg. #8 > 1/2 Npt Adp  EAR982288ERL

    Earls 90 Deg. #8 > 1/2 Npt Adp 982288ERL

    EARLS

    $33.48
    If you're running custom fluid lines in your racing setup, you need reliable adapter fittings that won't leak under pressure. This Earls 90-degree adapter bridges the gap between AN and NPT systems, giving you the flexibility to integrate different...
    EAR982288ERL
    SKU:
    EAR982288ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    982288ERL
    $33.48
    Qty in Cart: 0
    Quantity:
    Price:
    $33.48
    Subtotal:
  • 90 Deg. #6 > 3/8 Npt Adp  EAR982266ERL

    Earls 90 Deg. #6 > 3/8 Npt Adp 982266ERL

    EARLS

    $22.97
    When plumbing your fuel, oil, or coolant system, mixing AN fittings with NPT ports requires a reliable adapter that won't leak under pressure. This Earls 90-degree adapter bridges the gap between #6 AN male and 3/8" NPT male connections, making it...
    EAR982266ERL
    SKU:
    EAR982266ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    982266ERL
    $22.97
    Qty in Cart: 0
    Quantity:
    Price:
    $22.97
    Subtotal:
  • 90 Deg #12 > 3/4 Npt Adp  EAR982212ERL

    Earls 90 Deg #12 > 3/4 Npt Adp 982212ERL

    EARLS

    $46.90
    If you're integrating modern AN-line plumbing into a system with legacy NPT ports, this Earls adapter eliminates guesswork and leak points. The 90-degree configuration saves space in tight engine bays while maintaining full flow integrity, and the blue...
    EAR982212ERL
    SKU:
    EAR982212ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    982212ERL
    $46.90
    Qty in Cart: 0
    Quantity:
    Price:
    $46.90
    Subtotal:
  • 90 Deg. #10 > 1/2 Npt Ad  EAR982210ERL

    Earls 90 Deg. #10 > 1/2 Npt Ad 982210ERL

    EARLS

    $33.48
    When you're running a high-performance fuel, oil, or coolant system, mismatched port sizes create leaks, pressure loss, and reliability headaches. This Earls 90-degree adapter bridges the gap between AN fittings and NPT ports—a common scenario in custom...
    EAR982210ERL
    SKU:
    EAR982210ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MFG Part #:
    982210ERL
    $33.48
    Qty in Cart: 0
    Quantity:
    Price:
    $33.48
    Subtotal:
  • 90 Deg #8 > 3/8 Npt Adpt  EAR982208ERL

    Earls 90 Deg #8 > 3/8 Npt Adpt 982208ERL

    EARLS

    $20.07
    If you're running custom fluid lines in your race engine or high-performance cooling system, you need reliable AN-to-NPT adapters that won't leak under pressure. This Earls 90-degree adapter bridges 8 AN male fittings to standard 3/8 inch NPT ports,...
    EAR982208ERL
    SKU:
    EAR982208ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MFG Part #:
    982208ERL
    $20.07
    Qty in Cart: 0
    Quantity:
    Price:
    $20.07
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER